<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>盒子模型</title>
    <style>
        .box1:hover {
            /*transform: scale(1) rotate(7200deg) translate(100px, 100px); */
            box-shadow: inset 10px 10px 10px 10px rgba(0, 0, 0, 0.5);
            border-radius: 50%;
        }
        .box1 {
            width: 200px;
            height: 200px;
            background-color: rgb(56, 131, 120);
            margin: 250px auto;
            /*transition: all 8s ease-in-out;*/
            transition: all 2s linear 0s;
        }
    </style>
</head>
<body>
    <div class="box1"></div>
</body>
</html>
